Biology, asked by uppark15, 1 month ago

16. Pulmonary veins have thinner walls compared to pulmonary arteries, because
A. They are very small
B. They have valves.
C. They carry oxygenated blood.
D Blood Nows with less pressure.

Answers

Answered by biki6970
0

Answer:

A. They are very small

Explanation:

Answered by prakharojas
0
The answer it is A great ok
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